When the POWER indicator blinks or remains unlit, the BRIDGE CAST X may not be receiving sufficient power. Please check that the unit is receiving enough power and that all cables are properly connected.
For more details, refer to “Supplying power to this unit” and “Rear Panel” in the BRIDGE CAST X Owner’s Manual, or to the related FAQs: “The unit doesn’t power on via USB bus power.” and “The unit doesn’t power on with an AC adaptor.”